Skip to content / Đến nội dung
ThichHocToan.com

AMC10 2027 - Self-practice Set 7 Question 23

AMC10 · AMC10 2027 - Self-practice Set 7

Question 23

A $3$-$4$-$5$ right triangle is inscribed in circle $A,$ and a $5$-$12$-$13$ right triangle is inscribed in circle $B.$ What is the ratio of the area of circle $A$ to the area of circle $B?$
  1. $\dfrac{9}{25}$
  2. $\dfrac{1}{9}$
  3. $\dfrac{1}{5}$
  4. $\dfrac{25}{169}$
  5. $\dfrac{4}{25}$